-LRB- CNN -RRB- The TV season is winding down , and the finales are starting . Those endings lead off this week 's six things to watch .

1 . `` The Americans , '' 10 p.m. ET Wednesday , FX

Critics continue to praise `` The Americans '' as one of the best series on TV , and every finale has delivered in a big way .

Season 3 has seen a battle for the soul of daughter Paige , the return of fan favorite Margo Martindale and Soviet agent Nina getting back in the game .

The finale is titled `` March 8 , 1983 . '' That 's the date when President Reagan called the Soviet Union an `` evil empire . '' We shall see what surprises lie in store for the season ender .

2 . `` Fresh Off the Boat , '' 8 p.m. ET Tuesday , ABC

Critics and viewers seem to have taken to `` Fresh , '' the first sitcom with an Asian-American cast since the 1990s .

It has n't been picked up for a second season , but the signs are looking good .

3 . `` Vikings , '' 10 p.m. ET Thursday , History

The first History Channel scripted series , which been renewed for a fourth season , wraps up on Thursday .

4 . `` Scorpion , '' 8 p.m. ET Monday , CBS

This based-on-a-true-story show , about a ragtag band of geniuses sent on secret missions , got a lot of hype for CBS in the early going , and that was enough to get it a second season .

With the producers safe in that knowledge , we could get a surprising season finale .

5 . `` Broadchurch , '' 10 p.m. ET Wednesday , BBC America

Fox 's American remake , `` Gracepoint , '' did n't last , but the British mystery series starring David Tennant continues . Another murder could be solved -- and the trial based on the events of season 1 resolved -- by the end of this finale .

6 . Academy of Country Music Awards , 8 p.m. ET Sunday , CBS

Luke Bryan and Blake Shelton return to host the 50th annual awards . Christina Aguilera is set to perform a `` surprise duet '' -LRB- yes , that Christina Aguilera -RRB- .

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`` The Americans '' ends a critically acclaimed third season Wednesday

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Academy of Country Music Awards holds its 50th ceremony Sunday on CBS